Bug #6684 ndb_restore doesn't give error messages if inproper command given

Description:
If you give something wrong to ndb_restore, it will just print out the usage without giving any error messages at all.  Without error messages it is extremely hard to figure out what it is wrong and get the program to work.

shell$ ndb_restore --connect="nodeid=3;host=localhost:2200" -n 2 -b 0 --restore_data ~/ndb/BACKUP/BACKUP-0/
Usage: ....       

No idea what is wrong with the above (bad parameter, bad combination of options, etc...)

How to repeat:
Don't give an exactly correct syntax to ndb_restore.
Notice it only gives the Usage error message.

Suggested fix:
Make it output a better (any) error message before giving the usage.

All option handling has changed in 4.1.8 to use mysql my_getopts.

Can you please try with 4.1.8 and see if you have the same problem?

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